Which two ratios form a proportion?(1 point)

Responses

420
and 25
4 over 20 and 2 fifths

420
and 15
4 over 20 and 1 fifth

204
and 15
20 fourths and 1 fifth

20/4
and 2/5

The two ratios that form a proportion are:

20/4 and 2/5